1097291625 has 16 divisors (see below), whose sum is σ = 1825893888. Its totient is φ = 585222000.

The previous prime is 1097291609. The next prime is 1097291641. The reversal of 1097291625 is 5261927901.

It is an interprime number because it is at equal distance from previous prime (1097291609) and next prime (1097291641).

It is not a de Polignac number, because 1097291625 - 2⁴ = 1097291609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1462681 + ... + 1463430.

It is an arithmetic number, because the mean of its divisors is an integer number (114118368).

Almost surely, 2^1097291625 is an apocalyptic number.

1097291625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1097291625 is a deficient number, since it is larger than the sum of its proper divisors (728602263).

1097291625 is an equidigital number, since it uses as much as digits as its factorization.

1097291625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926129 (or 2926119 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 1097291625 is about 33125.3924505054. The cubic root of 1097291625 is about 1031.4322065561.

The spelling of 1097291625 in words is "one billion, ninety-seven million, two hundred ninety-one thousand, six hundred twenty-five".